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321223400053 = 31145123333061
BaseRepresentation
bin1001010110010100110…
…10000001101001110101
31010201010121111110100221
410223022122001221311
520230331142300203
6403322404134341
732131133564263
oct4531232015165
91121117443327
10321223400053
11114259264946
12523090973b1
13243a2b018aa
1411793ac9433
158550a38abd
hex4aca681a75

321223400053 has 16 divisors (see below), whose sum is σ = 332064640512. Its totient is φ = 310412520000.

The previous prime is 321223400027. The next prime is 321223400063. The reversal of 321223400053 is 350004322123.

It is a cyclic number.

It is not a de Polignac number, because 321223400053 - 25 = 321223400021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321223400063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104939143 + ... + 104942203.

It is an arithmetic number, because the mean of its divisors is an integer number (20754040032).

Almost surely, 2321223400053 is an apocalyptic number.

It is an amenable number.

321223400053 is a deficient number, since it is larger than the sum of its proper divisors (10841240459).

321223400053 is a wasteful number, since it uses less digits than its factorization.

321223400053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6876.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 321223400053 its reverse (350004322123), we get a palindrome (671227722176).

The spelling of 321223400053 in words is "three hundred twenty-one billion, two hundred twenty-three million, four hundred thousand, fifty-three".

Divisors: 1 31 1451 2333 3061 44981 72323 94891 3385183 4441511 7141313 104940673 137686841 221380703 10362045163 321223400053